A week of gruesome bombing is a haunting overture to NATO's 50th-birthday party

What a terrible moment for NATO to celebrate itself. Washington is busy gussying up for the red-letter weekend marking the alliance's 50th anniversary, but the bloom is gone. There will be no symbolic flyby while most of NATO's planes are engaged in firing lethal munitions at an enemy that will not cry uncle. There can be no self-congratulation while NATO generals are apologizing for two deadly mishaps that killed scores of Serb and Kosovo Albanian civilians. Even the lavish dinners will be muted by the thought of three-quarters of a million dispossessed Kosovars trapped inside the province at the mercy of...